Safety shut-off valve for high pressure bottles

Description

FIG. 1 is a top perspective view of a safety shut-off valve for high pressure bottles showing my new design;

FIG. 2 is a bottom perspective, partially exploded view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a front elevational side view with the rear, left side and right sides being mirror images thereof;

FIG. 5 is a bottom view of the upper part of the design as seen in FIG. 2;

FIG. 6 is a bottom view of the upper part of the design as seen in FIG. 7; and,

FIG. 7 is a top perspective view of another embodiment of a safety shut-off valve for high pressure bottles showing my new design.

The top, front, rear, left side and right side views of the second embodiment of the invention are identical to the corresponding views of the first embodiment of the invention.

Referenced Cited
U.S. Patent Documents
4010770 March 8, 1977 Peters
4089343 May 16, 1978 Ishida
4319604 March 16, 1982 Bird
4349042 September 14, 1982 Shimizu
4349043 September 14, 1982 Christensen
4611628 September 16, 1986 Pasternack
4744387 May 17, 1988 Otteman
4986312 January 22, 1991 Gute
5022435 June 11, 1991 Jaw-Shiunn
5123442 June 23, 1992 Geuy et al.
Foreign Patent Documents
1087683 February 1955 FRX
1446854 August 1976 GBX
Patent History
Patent number: D367916
Type: Grant
Filed: Apr 5, 1995
Date of Patent: Mar 12, 1996
Inventors: Clinton L. Thomas (Miles City, MT), Jason R. Coldwell (Kinsey, MT)
Primary Examiner: Stella Reid
Assistant Examiner: E. Watterson
Attorney: Richard C. Litman
Application Number: 0/37,147
Classifications
Current U.S. Class: Valve Or Body Therefor (D23/233)